Opening the iTunes Store.If iTunes doesn't open, click the iTunes application icon in your Dock or on your Windows desktop.Progress Indicator
Opening the iBooks Store.If iBooks doesn't open, click the iBooks app in your Dock.Progress Indicator

iTunes is the world's easiest way to organize and add to your digital media collection.

We are unable to find iTunes on your computer. To buy and download VisualRuler by altaibayar tseveenbayar, get iTunes now.

Already have iTunes? Click I Have iTunes to open it now.

I Have iTunes Free Download


By altaibayar tseveenbayar

This app is only available on the App Store for iOS devices.


Need to measure the size of the object but do not have a ruler? VisualRuler calculates the size of objects in the image using computer vision techniques . You will need to use a card as a reference object. Everything is done offline on your phone.

Because all cards (credit card, library card, public transport card, ID card...) have unified side lengths they can be used as a reference rectangle to calculate sizes of objects in the plane.

1.) Take a picture of an object you want to measure next to any card
2.) VisualRuler will automatically detect the card. If you don't like the detection result you can readjust the reference rectangle.
3.) Add lines or rectangles around objects you want to measure.
4.) Export the result image or share on social networks.

We take privacy concerns serious, especially if you use your credit card or other cards with sensitive information. The picture you take will not be uploaded anywhere to the internet without your knowing.

What's New in Version 1.4

*added instructions to reduce confusions how to use the app
*iOS 10 compatibility

iPhone Screenshots

iPhone Screenshot 1
iPhone Screenshot 2
iPhone Screenshot 3
iPhone Screenshot 4
iPhone Screenshot 5

Customer Reviews

Very interesting idea!😄

Although it is not working perfectly at the moment, I am giving it 5 stars for the innovative idea and hoping for the updates for improvement!

Not handy

Should be more useful if the app can automatically locate the card and attach the box(the given one).


The app doesn't make the 2nd rectangle to measure the 2nd item. It doesn't really detect the card as well. Very confusing. Good thing I got this for free.

View in iTunes
  • $1.99
  • Category: Utilities
  • Updated:
  • Version: 1.4
  • Size: 16.5 MB
  • Languages: English, Czech, French, Japanese, Portuguese, Simplified Chinese, Spanish, Traditional Chinese
  • Seller:

Compatibility: Requires iOS 9.0 or later. Compatible with iPhone, iPad, and iPod touch.

Customer Ratings

Current Version:
All Versions:

More iPhone Apps by altaibayar tseveenbayar